Functional Radiative Cooling: Basic Concepts, Materials, and Best Practices in Measurements
Source abstract
Abstract
Radiative cooling (RC) has garnered growing interest because of increasing energy demand for cooling, which is partially associated with global warming. While various strategies to improve the performance of RC have been reviewed, there have been limited reviews on functional RC, whose functionalities render traditional radiative coolers aesthetically appealing, transparent, and adaptive. In this review, we briefly introduce the fundamental concepts governing the overall process of RC. We then outline a wide range of strategies to couple diverse functionalities within RC devices as a means to produce distinct color and/or optical transparency while preserving the performance of RC. We also discuss approaches to achieve switchable optical contrast to effectively regulate cooling power in response to changes in the external environment. Moreover, based on the factors affecting the measurements, we offer our perspectives on the best measurement practices that are essential for accurate performance evaluation of functional RC. Finally, we conclude by outlining challenges associated with the commercialization of functional RC platforms.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Thermal Radiation and Cooling Technologies · Optical properties and cooling technologies in crystalline materials · Quantum Electrodynamics and Casimir Effect
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Nanophotonics Research Center, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
School of Electrical Engineering, Korea University, Seoul 02841, Republic of Korea
School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
KIST-SKKU Carbon-Neutral Research Center, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
Department of Electrical and Computer Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
POSCO−POSTECH-RIST Convergence Research Center for Flat Optics and Metaphotonics, Pohang 37673, Republic of Korea
Department of Electro-Mechanical Systems Engineering, Korea University, Sejong 30019, Republic of Korea
Funding
Ministry of Education · National Research Foundation of Korea · Korea Institute of Science and Technology
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